201102022142 has 16 divisors (see below), whose sum is σ = 344752095840. Its totient is φ = 86185137888.

The previous prime is 201102022141. The next prime is 201102022171. The reversal of 201102022142 is 241220201102.

It is a self number, because there is not a number n which added to its sum of digits gives 201102022142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102022141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481084 + ... + 1611152.

It is an arithmetic number, because the mean of its divisors is an integer number (21547005990).

Almost surely, 2^201102022142 is an apocalyptic number.

201102022142 is a deficient number, since it is larger than the sum of its proper divisors (143650073698).

201102022142 is a wasteful number, since it uses less digits than its factorization.

201102022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240515.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201102022142 its reverse (241220201102), we get a palindrome (442322223244).

The spelling of 201102022142 in words is "two hundred one billion, one hundred two million, twenty-two thousand, one hundred forty-two".